ABC News' "20/20" will celebrate the life of Academy Award winner Robin Williams, the comedic genius who died Aug. 11, with a special broadcast Aug. 12.

Entitled "The Life and Death of Robin Williams," the program will air at 10 PM ET; check local listings.

The broadcast, according to press notes, will "update viewers with the latest news on his untimely death, delve into the unanswered questions, and celebrate the many faces and voices that entertained us all."

Anchored by David Muir, the hour-long special will feature reporting from Juju Chang and Chris Connelly, as well as Barbara Walters' memories of the man she interviewed several times over the years.